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Circuit can be used for multiple Camera – Switch to monitor

Circuit can be used for multiple cameras with one monitor. The circuit can be operated manually or automatically. When operated automatically the switch will be connected to the output of 555 astable multivibrator that will send a continous square wave in the 4017 counter. When counter is running, the 5 transistor will switch one by […]

Audio Amplifier Projects to Control the Speaker output Relay

This is a simple circuit which I built to one of my audio amplifier projects to control the speaker output relay. The purpose of this circuit is to control the relay which turns on the speaker output relay in the audio amplifier. The idea of the circuit is wait around 5 seconds ofter the power […]

Signal Generators

Signal Generator of the sawtooth waveform generator electronic circuit using TR BC557, BC558, SK100

Audio power amplifier circuit diagram using AN5265

Audio power amplifier circuit diagram using AN5265

+5V 10A Regulator circuit

+5V 10A Regulator circuit using 7805 IC

VU Meter Schematic

meter circuits VU Meter Schematic using 78L05, AD8313, LM324

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